Vulnerability in F5 Big-Ip Policy Enforcement Manager
CVE-2017-6144
In F5 BIG-IP PEM 12.1.0 through 12.1.2 when downloading the Type Allocation Code (TAC) database file via HTTPS, the server's certificate is not verified. Attackers in a privileged network position may be able to launch a man-in-the-middle attack against these connections. TAC databases are used in BIG-IP PEM for Device Type and OS (DTOS) and Tethering detection. Customers not using BIG-IP PEM, not configuring downloads of TAC database files, or not using HTTP for that download are not affected.
Vulnerability class: Improper Certificate Validation
EPSS: 0.006 (45.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- F5 Big-ip_policy_enforcement_manager — versions 12.1.0, 12.1.1, 12.1.2
- F5 Networks, Inc. Big-ip Pem — versions 12.1.0 through 12.1.2
Weakness classification (CWE)
References
- f5sirt@f5.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6144?
- CVE-2017-6144 is a high-severity vulnerability in F5 Big-Ip Policy Enforcement Manager, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2017-10-20.
- How severe is CVE-2017-6144?
- High severity. CVSS v3 base score is 7.4 out of 10.